CN108275538B - A kind of express elevator safety tongs - Google Patents

A kind of express elevator safety tongs Download PDF

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Publication number
CN108275538B
CN108275538B CN201810300597.XA CN201810300597A CN108275538B CN 108275538 B CN108275538 B CN 108275538B CN 201810300597 A CN201810300597 A CN 201810300597A CN 108275538 B CN108275538 B CN 108275538B
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CN
China
Prior art keywords
safety tongs
substrate
clamping
plate
wedge
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Active
Application number
CN201810300597.XA
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Chinese (zh)
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CN108275538A (en
Inventor
方灶寿
许力卉
许杨
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Zhejiang Tilson Elevator Co Ltd
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Zhejiang Tilson Elevator Co Ltd
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Priority to CN201810300597.XA priority Critical patent/CN108275538B/en
Publication of CN108275538A publication Critical patent/CN108275538A/en
Application granted granted Critical
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B66B5/16Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)
  • Types And Forms Of Lifts (AREA)

Abstract

The invention belongs to elevator safety gear technical fields, more particularly to a kind of express elevator safety tongs, including safety tongs substrate on the top of the car is arranged, clamping unit on the safety tongs substrate and for being clamped braking to wirerope is set, it is arranged on the safety tongs substrate and by way of magnetic force attraction for driving the electromagnetic drive unit of the clamping unit, and be arranged on the safety tongs substrate and connect the mobile connection unit of the electromagnetic drive unit for being powered, the safety tongs substrate is arranged in the car roof by spiro connecting unit.The present invention has safe wrench structure simple and effective, clamps that brake operating is convenient and efficient, and braking response is sensitive, and the advantages of do not influence elevator normal use.

Description

A kind of express elevator safety tongs
Technical field
The invention belongs to elevator safety gear technical field more particularly to a kind of express elevator safety tongs.
Background technique
Elevator safety gear refers to when elevator needs emergency braking, can clamping steel wire rope with prevent lift car after Continue mobile a kind of clamping device, for guaranteeing the operational safety of elevator carriage when causing danger.In the prior art, elevator is pacified There are the problems that pinching action is not rapid enough and chuck strength is inadequate mostly for full pincers.
Patent announcement number is CN2552893Y, and the day for announcing is that the Chinese utility model patent of 2003.05.28 discloses one kind Elevator safety gear.It includes bracket, and top, the bottom plate center of bracket are fluted, and cage guide is located in the groove.Leading in bracket Successively there are voussoir, guide way and spring in rail two sides from inside to outside.Voussoir therein is connected with shift mechanism.
But the elevator safety gear in the utility model patent there is a problem of wirerope clamp severity of braking it is low.
Summary of the invention
The object of the present invention is to provide a kind of express elevator safety tongs, can be by the way that safety tongs base is arranged on the top of the car The mode of plate, clamping unit, electromagnetic drive unit, mobile connection unit and spiro connecting unit reaches elevator safety gear and effectively makes Dynamic purpose.The present invention has safe wrench structure simple and effective, and clamping brake operating is convenient and efficient, and braking response is sensitive, and The advantages of not influencing elevator normal use.
The present invention solve the above problems the technical solution adopted is that: a kind of express elevator safety tongs, including be arranged in carriage The clamping unit on the safety tongs substrate and for being clamped braking to wirerope is arranged in safety tongs substrate on top, It is arranged on the safety tongs substrate and by way of magnetic force attraction with for driving the electromagnetic drive unit of the clamping unit, And it is arranged on the safety tongs substrate and connects the mobile connection unit of the electromagnetic drive unit, the peace for being powered Full pincers substrate is arranged in the car roof by spiro connecting unit, and the spiro connecting unit includes being arranged on the safety tongs substrate And the plate that is spirally connected for being fitted on the car roof upper surface, it is separately positioned on the plate that is spirally connected at four vertex angle part positions Four bolts, and be arranged on the bolt upper surface of safety tongs substrate the same side two and for fixing the spiral shell The bolt clip plate of bolt, the bolt clip plate lower surface are equipped with the bolt slot for the bolt that is fixed, the bolt pressure The lower surface of board ends column is equipped with by way of magnetic force attraction with the pressure for being fixedly mounted on the plate that is spirally connected Plate magnet block, top surface is equipped with engaging elastic piece on the bolt slot.
Further preferred technical solution is: the mobile connection unit includes the danger button being arranged in carriage, It is arranged on the safety tongs substrate and carries out the mobile of conducting wire connection with the danger button and use solenoid, and is arranged in institute It states on mobile solenoid and by the way of propelling after magnetic repellence for the movement for connecting the electromagnetic drive unit that is powered Wedge.
Further preferred technical solution is: the mobile connection unit further includes being arranged on the safety tongs substrate And for the coiling installation mobile solenoidal installation core, it is arranged on the installation core side and pacifies for grafting The wedge mounting post of the mobile wedge is filled, is arranged on the mobile wedge side and for receiving the movement solenoid Repel the wedge flat thin magnet of magnetic force, and socket is arranged in the wedge mounting post and pulls the mobile wedge for resetting Wedge spring.
Further preferred technical solution is: the electromagnetic drive unit includes being arranged on the safety tongs substrate Driving dc-battery, and be arranged on the safety tongs substrate and pushing mode is inserted into be used for by the mobile wedge The connection that the is powered driving dc-battery and the promotion trigger unit for driving electromagnetic part.
Further preferred technical solution is: the promotion trigger unit includes that setting is set in safety tongs substrate two sides Two vertical plates for setting place, are arranged in the inserting column between two vertical plates, and what grafting was arranged on the inserting column one treats Position wedge, and to two conductive sheets in the wedge of position described in being separately positioned on two, two conductive sheets respectively with it is described Driving dc-battery is connected with the driving electromagnetic part by conducting wire.
Further preferred technical solution is: the promotion trigger unit further includes being arranged on the vertical plate medial surface simultaneously The limited post on the wedge lateral surface of position is set for grafting, and is arranged on the limited post and is pushed up by opposite To position wedge mode with the reset spring for separating two conductive sheets described in rising.
Further preferred technical solution is: described be equipped with to position wedge installs inserting for the inserting column for grafting Hole, and the limited post mounting groove for installing the limited post are connect, a conductive bulb is equipped on two conductive sheets.
Further preferred technical solution is: the clamping unit includes the base being arranged on the safety tongs substrate The installation inserting column in the substrate side surfaces is arranged in plate, and the clamping mounting plate on the installation inserting column end face, set is arranged in Connect be arranged in it is described installation inserting column on clamping plate, and be arranged on the clamping mounting plate and with the electromagnetic drive list Member is conductively connected for attracting the clamping solenoid for pulling the clamping plate.
Further preferred technical solution is: the substrate is equipped with and is socketed on the installation inserting column and pulls institute The return spring of clamping plate is stated, the clamping plate is equipped with close to the side for clamping mounting plate for clamping the wirerope Protrusion item, clamping plate magnet block is equipped in the prominent item.
Further preferred technical solution is: the clamping mounting plate, which is equipped with, uses spiral shell for engaging the installation clamping The solenoid installing port of spool, the clamping solenoid are equipped with the core connecting plate for clamping the wirerope.
The present invention by being arranged safety tongs substrate, clamping unit, electromagnetic drive unit, mobile connection unit on the top of the car And the mode of spiro connecting unit, achieve the purpose that elevator safety gear effective brake.The present invention has safe wrench structure simple and effective, Clamp that brake operating is convenient and efficient, and braking response is sensitive, and the advantages of do not influence elevator normal use.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the positional structure schematic diagram of safety tongs substrate in the present invention.
Fig. 3 is the positional structure schematic diagram of clamping unit, electromagnetic drive unit and mobile connection unit in the present invention.
Fig. 4 is the positional structure schematic diagram in the present invention to position wedge.
Fig. 5 is the positional structure schematic diagram that mounting plate and clamping plate are clamped in the present invention.
Specific embodiment
As described below is only presently preferred embodiments of the present invention, is not intended to limit the scope of the present invention.
Embodiment: as shown in attached drawing 1,2,3,4 and attached drawing 5, a kind of express elevator safety tongs, it is characterised in that: including Safety tongs substrate 2 in car roof 1 is set, is arranged on the safety tongs substrate 2 and for being clamped system to wirerope 3 Dynamic clamping unit 4 is arranged on the safety tongs substrate 2 and by way of magnetic force attraction for driving the clamping unit 4 electromagnetic drive unit 5, and be arranged on the safety tongs substrate 2 and for the connection electromagnetic drive unit 5 that is powered Mobile connection unit 6, the safety tongs substrate 2 are arranged in the car roof 1 by spiro connecting unit 7, and the spiro connecting unit 7 wraps The plate 701 that is spirally connected being arranged on the safety tongs substrate 2 and for being fitted on 1 upper surface of car roof is included, is respectively set Four bolts 702 on the plate 701 that is spirally connected at four vertex angle part positions, and setting are same in the safety tongs substrate 2 On 702 upper surface of bolt of side two and for fixing the bolt clip plate 703 of the bolt 702, under the bolt clip plate 703 Surface is equipped with the bolt slot 704 for the bolt 702 that is fixed, the lower surface of the 703 both ends column of bolt clip plate It is equipped with by way of magnetic force attraction in the pressing plate magnet block 705 for being spirally connected and being fixedly mounted on plate 701, it is described Top surface is equipped with engaging elastic piece 706 on bolt slot 704.
In the present embodiment, when elevator operates normally, the clamping unit 4 is reserved to the wirerope 3 through space, and When something unexpected happened, passenger opens the mobile connection unit 6, so that the electromagnetic drive unit 5 is powered, it is final described Magnetic force sucking action occurs in clamping unit 4, is reduced rapidly originally biggish by space, to clamp the wirerope 3, is reached To the purpose of emergency braking, and the mobile connection unit 6 disconnects, then 4 homing of clamping unit, the wirerope 3 It passes through.
On the other hand, the spiro connecting unit 7 is used to guarantee that the bolt 702 exists from bolt 702 described in the snap fit clip of top It is spirally connected when unclamping, is unlikely to be easy to fall off, and then finally guarantee the installation strength of the safety tongs substrate 2, wherein the engaging Elastic piece 706 is resin sheet, for the elastic space certain to the bolt 702.
The mobile connection unit 6 includes the danger button 601 being arranged in carriage, is arranged in the safety tongs substrate 2 Above and the mobile of conducting wire connection is carried out with the danger button 601 and use solenoid 602, and be arranged in the movement solenoid For the mobile wedge 603 for connecting the electromagnetic drive unit 5 that is powered on 602 and by the way of propelling after magnetic repellence.Institute Stating mobile connection unit 6 further includes being arranged on the safety tongs substrate 2 and for the coiling installation mobile solenoid 602 Installation core 604, be arranged on installation 604 side of core and the wedge of the mobile wedge 603 be installed for grafting Mounting post 605 is arranged on 603 side of mobile wedge and repels magnetic force for receiving the movement solenoid 602 Wedge flat thin magnet 606, and socket are arranged in the wedge mounting post 605 and pull the mobile wedge 603 for resetting Wedge spring 607.
In the present embodiment, the mobile connection unit 6 has the advantage that
First, initial safe state, the movement is not powered with the battery of the mobile connection unit 6 with solenoid 602 Connection, shift action disappear, and the electromagnetic drive unit 5 is in off state;
Second, after the danger button 601 is pressed, the battery of the mobile connection unit 6 gives the movement solenoid 602 power supplies, the wedge flat thin magnet 606 receive the mobile repulsion magnetic force for using solenoid 602,603 grams of the mobile wedge It is moved after taking the pulling force of the wedge spring 607 to the electromagnetic drive unit 5, connects the electromagnetic drive unit 5 to be powered;
Third, after the danger button 601 is cut off, the movement solenoid 602 loses electric power, the mobile wedge 603 are retracted by the wedge spring 607, until original position, the energization shift action of the mobile connection unit 6 is fully completed, and have Simple and effective advantage.
The electromagnetic drive unit 5 includes the driving dc-battery 501 being arranged on the safety tongs substrate 2, and It is arranged on the safety tongs substrate 2 and pushing mode is inserted by the mobile wedge 603 to be used to be powered and connect the drive It employs dc-battery 501 and drives the promotion trigger unit 503 of electromagnetic part.The promotion trigger unit 503 includes being arranged in the peace Two vertical plate 503a at full pincers 2 two sides setting of substrate, are arranged in the inserting column 503b between two vertical plate 503a, grafting One be arranged on the inserting column 503b treats a wedge 503c, and on the wedge 503c of position described in being separately positioned on two Two conductive sheets 503d, two conductive sheet 503d respectively with driving dc-battery 501 and the driving electromagnetism Portion is connected by conducting wire.The promotion trigger unit 503 further includes being arranged on the vertical plate 503a medial surface and setting for grafting It sets in the limited post 503e on the wedge 503c lateral surface of position, and is arranged on the limited post 503e and passes through opposite To position wedge 503c mode with the reset spring 503f for separating two conductive sheet 503d described in jacking up.It is described to be carved to position Block 503c is equipped with the spliced eye 503g that the inserting column 503b is installed for grafting, and for installing the limited post 503e Limited post mounting groove 503h, two conductive sheet 503d on be equipped with a conductive bulb 503i.
In the present embodiment, the application method of the electromagnetic drive unit 5 is as follows:
First, the reset spring 503f jacked up on the limited post 503e it is described to position wedge 503c so that two The original state of the conduction bulb 503i is to be separated from each other;
Second, the mobile wedge 603 be inserted into two described between the wedge 503c of position, pushing is come so that two institutes It states conductive bulb 503i to contact with each other, entire circuit communication, the electricity of the clamping unit 4 is given in the driving with dc-battery 501 Magnet power supply, carries out final clamp operation;
Third, the reset spring 503f opens normality for guaranteeing 5 open circuit of the electromagnetic drive unit, and the grafting Column 503b and the limited post 503e be used to guarantee two described in stability to position wedge 503c, and with the mobile wedge 603 height and position is opposite, guarantees effectively to push operation.
The clamping unit 4 includes the substrate 401 being arranged on the safety tongs substrate 2, is arranged in 401 side of substrate Installation inserting column 402 on face, is arranged in the clamping mounting plate 403 on installation 402 end face of inserting column, and socket is arranged in institute State installation inserting column 402 on clamping plate 404, and be arranged on the clamping mounting plate 403 and with the electromagnetic drive list Member 5 is conductively connected for attracting the clamping solenoid 405 for pulling the clamping plate 404.The substrate 401 is equipped with It is socketed on the installation inserting column 402 and pulls the return spring 406 of the clamping plate 404, the clamping plate 404 is close to institute It states and clamps the side of mounting plate 403 and be equipped with protrusion item 407 for clamping the wirerope 3, be equipped in the prominent item 407 Clamping plate magnet block 408.The mounting plate 403 that clamps is equipped with for engaging the helical installed the clamping and use solenoid 405 Pipe installing port 409, the clamping solenoid 405 are equipped with the core connecting plate 4010 for clamping the wirerope 3.
In the present embodiment, the clamping unit 4 has the advantage that
First, the prominent item 407 clamps the wirerope 3 from two with the core connecting plate 4010, compared to existing Some flat grips, the clamping mode of the projecting block have reinforcement intensity big, and clamp the fast advantage of corresponding speed;
Second, the return spring 406 is pulled back the clamping plate 404 on the installation inserting column 402, and guarantee allows described The normality that wirerope 3 passes through;
Third, the clamping are installed on the solenoid installing port 409 by installation core coiling with solenoid 405, Guarantee that the clamping solenoid 405 has the advantages that fixing-stable, guarantees that effective magnetic force attracts and pull the clamping plate magnet Block 408 finally pulls the clamping plate 404;
4th, described clamp uses solenoid 405 and 408 aligned in position of clamping plate magnet block, guarantees what magnetic force attracted Intensity is effective.
Embodiments of the present invention are explained in detail above in conjunction with attached drawing, but the present invention is not limited to above-mentioned embodiment party Formula within the scope of knowledge possessed by those of ordinary skill in the art can also be before not departing from present inventive concept It puts and makes various modifications.These be all without creative modification, as long as in scope of the presently claimed invention all by To the protection of Patent Law.

Claims (9)

1. a kind of express elevator safety tongs, it is characterised in that: including the safety tongs substrate (2) being arranged on car roof (1), setting Clamping unit (4) on the safety tongs substrate (2) and for being clamped braking to wirerope (3) is arranged in the peace It is used to drive the electromagnetic drive unit (5) of the clamping unit (4) on full pincers substrate (2) and by way of magnetic force attraction, with And it is arranged on the safety tongs substrate (2) and connects the mobile connection unit of the electromagnetic drive unit (5) for being powered (6), the safety tongs substrate (2) is arranged on the car roof (1) by spiro connecting unit (7), and the spiro connecting unit (7) includes The plate that is spirally connected (701) for being arranged on the safety tongs substrate (2) and being used to be fitted on the car roof (1) upper surface, respectively Four bolts (702) at the upper four vertex angle part positions of the plate that is spirally connected (701) are set, and are arranged in the safety tongs base Bolt clip plate (703) on bolt (702) upper surface of plate (2) the same side two and for fixing the bolt (702), institute Bolt clip plate (703) lower surface is stated equipped with the bolt slot (704) for the bolt (702) that are fixed, the bolt pressure The lower surface of plate (703) both ends column is equipped with by way of magnetic force attraction for being consolidated on the plate that is spirally connected (701) The pressing plate magnet block (705) of Dingan County's dress, top surface is equipped with engaging elastic piece (706) on the bolt slot (704);
The mobile connection unit (6) includes the danger button (601) being arranged in carriage, is arranged in the safety tongs substrate (2) on and the mobile of conducting wire connection is carried out with the danger button (601) and uses solenoid (602), and is arranged in the movement The shifting of the electromagnetic drive unit (5) is connected on solenoid (602) and by the way of propelling after magnetic repellence to be used to be powered Dynamic wedge (603).
2. a kind of express elevator safety tongs according to claim 1, it is characterised in that: the mobile connection unit (6) is also The installation core of the mobile solenoid (602) is installed including being arranged on the safety tongs substrate (2) and for coiling (604), it is arranged on described installation core (604) side and installs for grafting the wedge installation of the mobile wedge (603) Column (605) is arranged on mobile wedge (603) side and repels magnetic force for receiving the mobile solenoid (602) Wedge flat thin magnet (606), and socket is arranged on the wedge mounting post (605) and pulls the movement to carve for resetting The wedge spring (607) of block (603).
3. a kind of express elevator safety tongs according to claim 1, it is characterised in that: electromagnetic drive unit (5) packet It includes and driving on the safety tongs substrate (2) is set with dc-battery (501), and be arranged in the safety tongs substrate (2) Go up and pass through the mobile wedge (603) insertion pushing mode be used to be powered the connection driving dc-battery (501) and Drive the promotion trigger unit (503) of electromagnetic part.
4. a kind of express elevator safety tongs according to claim 3, it is characterised in that: promotion trigger unit (503) packet Two vertical plates (503a) being arranged at safety tongs substrate (2) the two sides setting are included, are arranged in two vertical plates (503a) Between inserting column (503b), what grafting was arranged on the inserting column (503b) one treats a wedge (503c), and respectively Be arranged described in two to two conductive sheets (503d) on position wedge (503c), two conductive sheets (503d) respectively with institute It states driving dc-battery (501) and is connected with the driving electromagnetic part by conducting wire.
5. a kind of express elevator safety tongs according to claim 4, it is characterised in that: the promotion trigger unit (503) is also Including being arranged on the vertical plate (503a) medial surface and being arranged described for grafting on position wedge (503c) lateral surface Limited post (503e), and be arranged on the limited post (503e) and pass through described in opposite jack up to position wedge (503c) mode With the reset spring (503f) for separating two conductive sheets (503d).
6. a kind of express elevator safety tongs according to claim 5, it is characterised in that: described to be set on position wedge (503c) There are the spliced eye (503g) that the inserting column (503b) is installed for grafting, and the limit for installing the limited post (503e) Position column mounting groove (503h) is equipped with a conductive bulb (503i) on two conductive sheets (503d).
7. a kind of express elevator safety tongs according to claim 1, it is characterised in that: the clamping unit (4) includes setting The substrate (401) on the safety tongs substrate (2) is set, the installation inserting column being arranged on the substrate (401) side (402), the clamping mounting plate (403) on described installation inserting column (402) end face is set, and socket is arranged in the installation grafting Clamping plate (404) on column (402), and be arranged on the clamping mounting plate (403) and with the electromagnetic drive unit (5) It is conductively connected to pull the clamping of the clamping plate (404) with solenoid (405) for attracting.
8. a kind of express elevator safety tongs according to claim 7, it is characterised in that: the substrate (401) is equipped with set Connect on installation inserting column (402) and pull the return spring (406) of the clamping plate (404), the clamping plate (404) It is equipped with the protrusion item (407) for clamping the wirerope (3) close to the side for clamping mounting plate (403), it is described prominent Clamping plate magnet block (408) are equipped in shaping (407).
9. a kind of express elevator safety tongs according to claim 7, it is characterised in that: on the clamping mounting plate (403) Equipped with for engaging the solenoid installing port (409) for installing the clamping solenoid (405), solenoid is used in the clamping (405) it is equipped with the core connecting plate (4010) for clamping the wirerope (3).
CN201810300597.XA 2018-04-04 2018-04-04 A kind of express elevator safety tongs Active CN108275538B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810300597.XA CN108275538B (en) 2018-04-04 2018-04-04 A kind of express elevator safety tongs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810300597.XA CN108275538B (en) 2018-04-04 2018-04-04 A kind of express elevator safety tongs

Publications (2)

Publication Number Publication Date
CN108275538A CN108275538A (en) 2018-07-13
CN108275538B true CN108275538B (en) 2019-07-19

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Family Applications (1)

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CN201810300597.XA Active CN108275538B (en) 2018-04-04 2018-04-04 A kind of express elevator safety tongs

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Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009035377A (en) * 2007-08-01 2009-02-19 Toshiba Elevator Co Ltd Elevator car fixing device
CN101614235B (en) * 2009-08-04 2013-02-20 山西全安新技术开发有限公司 Method and device for locking a plurality of bolts
CN102367131A (en) * 2011-09-28 2012-03-07 快意电梯有限公司 Clamping wire rope type protection device for preventing cage from accidently moving
CN202448373U (en) * 2012-01-12 2012-09-26 湖北银天钻石科技有限公司 Cold press for diamond tool bit
CN204002807U (en) * 2014-06-18 2014-12-10 中铁隧道集团二处有限公司 A kind of cutter head of shield machine connecting bolt locking mechanism
CN107032206A (en) * 2015-08-10 2017-08-11 吕虎松 With monitoring and prevent car accidental movement and elevator device out of control
CN106429692A (en) * 2015-08-10 2017-02-22 吕虎松 Arrangement structure for preventing elevator car from moving accidentally and getting out of control
CN105480811B (en) * 2016-01-20 2020-04-24 石家庄五龙制动器股份有限公司 Rope clamping device
CN105668370A (en) * 2016-04-20 2016-06-15 施加腾 Elevator safety automatic control system

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